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by: Anita |
last post by:
Hi All,
Can multiple updates on one table using single
query generate deadlock ?
For example, at the same time, there are 2 users
run 2 queries as follows :
User1 runs :
update tab1 set tab1.v = tab1.v + 1
from tab1 inner join tab2 on tab1.no = tab2.no
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by: Alex |
last post by:
I was hoping someone could confirm my understanding of how InnoDB
handles deadlocks (error 1213) and timeouts (error 1206). The way I
understand it, with AUTOCOMMIT=0, if I issue 3 SQL statements
(updates), A, B, and C (in that order), and get one of the errors above
while issuing statement C, InnoDB will have rolled back statements A
and B. To recover from this error condition, I need to re-issue
statements A and B, followed by C. ...
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by: Javauser |
last post by:
Hi there
we are getting the following db2 error on executeBatch() method that
inserts n rows on a table (where n is between 50 and 200).
SQL0911N The current transaction has been
rolled back because of a deadlock or timeout. Reason code "2".
SQLSTATE=40001
errorCode : 911
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by: EoRaptor |
last post by:
I`m exporting data from many Lotus Notes databases to a DB2 database
using LotusScript. The LotusScript agents commit after EACH
update/insert. Nevertheless, I keep getting transaction rollbacks on
deadlock or timeout. When I get a snapshot for locks, I see that one
of the export agents is getting a table lock rather than a row lock.
I`m guessing this is what causes the time out. Questions: how do I
determine whether it`s a deadlock or a...
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by: Sumanth |
last post by:
Hi ,
I am trying to acquire a lock on a table A in exclusive mode, and this
statement gives an error indicating a deadlock or timeout
has been detected. The lock timeout value is set to 0 which I understand
is to wait for however long it takes to acquire a lock.
Also there are other processes that have acquired row level exclusive
locks on the table A when this error happened.Is DB2
throwing this error as a pre-emptive measure.
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by: cwho.work |
last post by:
Hi!
We are using apache ibatis with our MySQL 5.0 database (using innodb
tables), in our web application running on Tomcat 5. Recently we
started getting a number of errors relating to
java.sql.SQLException: Deadlock found when trying to get lock; Try
restarting transaction message from server: "Lock wait timeout
exceeded; try restarting transaction";
We get such errors generally on inserts or updates while applying a
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by: |
last post by:
I have a db2 V. 8.1 Fix Pack 13 installed, and i have too much problem with
deadlock, maibe depends becouse i have a direct remote connection with a
56k modem.
Someone know if depends to a particular parameter?
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by: kalpacx |
last post by:
Hi All,
I am a newbie to db2 database. Currently i am facing an issue which i know for sure that many would have faced and resolved.
I am running 6 sql scripts concurrently against the db
the db server is db2/6000 8.2.3
The log file shows couple of errors with the same msg ,
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by: Rahul Babbar |
last post by:
Hi,
I am getting a error sqlcode : -911, sqlstate : 40001 error, i.e.
Deadlock error while trying to drop the procedure.
I had seen cases of getting deadlocks in a table but not in
procedures.
Nobody is doing a call on that procedure.
What could be the reason for it.
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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